UA 4546 then AA 428 at O'Hare
Columbia Regional → Chicago → Portland (Oregon)
Timetable, Chicago time
13:02UA 4546 from Columbia Regional at the gate
17:00AA 428 to Portland (Oregon) leaves the gate
3 h 58 apart on the timetable
Today
From the airport’s board at 21:13 Chicago time
13:32UA 4546 reached the gate30 min late
17:07AA 428 left the gate7 min late
3 h 35 between the gates
The last days
UA 4546 and AA 428 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.